Knotting mechanism provided with a driving mechanism

Details Knotting mechanism provided with a driving mechanism Knotting mechanism provided with a driving mechanism

1979-01-22

1980-11-11

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Splicing

57263, D01H 1502, D01H 1500

Patent

active

042325080

ABSTRACT:
A knotting mechanism for use on open-end spinning machines for performing a knotting process on yarn produced on machines. The knotting mechanism is mounted so that it can be moved longitudinally along the spinning machine and transversely to the spinning machine to a knotting position. A switch-on mechanism is activated responsive to the knotting mechanism being moved transversely to the spinning machine to a knotting position. A driving mechanism is provided for initiating the knotting process on the yarn upon being activated. A release mechanism is operably connected to the driving mechanism for activating the driving mechanism responsive to the switch-on mechanism being activated. A timing device de-activates the driving mechanism after a predetermined period of time sufficient to carry out the knotting process and prevents the driving mechanism from initiating another knotting process without the switch-on mechanism being further de-activated and re-activated. Both electro-mechanical and mechanical mechanisms are provided for insuring that only a single knotting process is performed while the knotting mechanism is in the region of the yarn that is to be knotted.

REFERENCES:
patent: 3540200 (1970-11-01), Tsukumo et al.
patent: 3858385 (1975-01-01), Shinkai et al.
patent: 4121409 (1978-10-01), Uchida et al.
patent: 4150532 (1979-04-01), Ligones

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